18261261

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{35597}}^1$

素因数の和:35625

約数の個数: 16

約数和(自身を含む): 28478400

約数和(自身を除く): 10217139

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 35597, 106791, 320373, 676343, 961119, 2029029, 6087087, 18261261]

約数ペア:

[(1, 18261261), (3, 6087087), (9, 2029029), (19, 961119), (27, 676343), (57, 320373), (171, 106791), (513, 35597)]